PCRE 10.39, gcc, SPARC LP64 mode fails w/ SLJIT_COMPILE_ASSERT(sizeof (PCRE2_SIZE) <= sizeof (sljit_sw), pcre2_size_must_be_lower_than_sljit_sw_size)

[nbriggs]

In file included from /tmp/php-8.1.11/ext/pcre/pcre2lib/sljit/sljitLir.h:83,
                 from /tmp/php-8.1.11/ext/pcre/pcre2lib/sljit/sljitLir.c:27,
                 from /tmp/php-8.1.11/ext/pcre/pcre2lib/pcre2_jit_compile.c:79:
/tmp/php-8.1.11/ext/pcre/pcre2lib/pcre2_jit_compile.c: In function ‘do_callout’:
/tmp/php-8.1.11/ext/pcre/pcre2lib/sljit/sljitConfigInternal.h:831:29: error: duplicate case value
  831 |         switch(0) { case 0: case ((x) ? 1 : 0): break; }
      |                             ^~~~
/tmp/php-8.1.11/ext/pcre/pcre2lib/pcre2_jit_compile.c:9470:1: note: in expansion of macro ‘SLJIT_COMPILE_ASSERT’
 9470 | SLJIT_COMPILE_ASSERT(sizeof (PCRE2_SIZE) <= sizeof (sljit_sw), pcre2_size_must_be_lower_than_sljit_sw_size);
      | ^~~~~~~~~~~~~~~~~~~~
/tmp/php-8.1.11/ext/pcre/pcre2lib/sljit/sljitConfigInternal.h:831:21: note: previously used here
  831 |         switch(0) { case 0: case ((x) ? 1 : 0): break; }
      |                     ^~~~
/tmp/php-8.1.11/ext/pcre/pcre2lib/pcre2_jit_compile.c:9470:1: note: in expansion of macro ‘SLJIT_COMPILE_ASSERT’
 9470 | SLJIT_COMPILE_ASSERT(sizeof (PCRE2_SIZE) <= sizeof (sljit_sw), pcre2_size_must_be_lower_than_sljit_sw_size);
      | ^~~~~~~~~~~~~~~~~~~~

If one completes the missing pattern for 64 bit SPARC in the same way the MIPS 64-bit is configured, it turns out that it depends on sljitNativeSPARC_64.c which is missing from the release.

The gcc predefined macros are attached.
gcc-predefined-macros.txt

[zherczeg]

Sparc support has never completed, so I decided to remove it. So the next release will not have this issue.